[INFO] cloning repository https://github.com/Saikyun/kaleidoscope-llvm-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saikyun/kaleidoscope-llvm-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaikyun%2Fkaleidoscope-llvm-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaikyun%2Fkaleidoscope-llvm-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7fca4f42335282527f183cbbd3256b3be8cf8a49 [INFO] checking Saikyun/kaleidoscope-llvm-compiler against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaikyun%2Fkaleidoscope-llvm-compiler" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Saikyun/kaleidoscope-llvm-compiler on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Saikyun/kaleidoscope-llvm-compiler [INFO] finished tweaking git repo https://github.com/Saikyun/kaleidoscope-llvm-compiler [INFO] tweaked toml for git repo https://github.com/Saikyun/kaleidoscope-llvm-compiler written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Saikyun/kaleidoscope-llvm-compiler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae8eb8ecb2ff7b107b56139b137db4b7495d5d056b0d919ea81de3f0bccb33a7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ae8eb8ecb2ff7b107b56139b137db4b7495d5d056b0d919ea81de3f0bccb33a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae8eb8ecb2ff7b107b56139b137db4b7495d5d056b0d919ea81de3f0bccb33a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae8eb8ecb2ff7b107b56139b137db4b7495d5d056b0d919ea81de3f0bccb33a7", kill_on_drop: false }` [INFO] [stdout] ae8eb8ecb2ff7b107b56139b137db4b7495d5d056b0d919ea81de3f0bccb33a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cb65b191db33f4f6d2761e18153f3807300b67cc00bc1f4230fa9ac8cc0643d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9cb65b191db33f4f6d2761e18153f3807300b67cc00bc1f4230fa9ac8cc0643d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking kaleidoscope v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let str = b"def fib(x) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let expr = parser::parse(&res); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `jmp` is never read [INFO] [stdout] --> src/parser.rs:56:33 [INFO] [stdout] | [INFO] [stdout] 56 | ... jmp += jmp2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `jmp` is never read [INFO] [stdout] --> src/parser.rs:85:33 [INFO] [stdout] | [INFO] [stdout] 85 | ... jmp += jmp2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/parser.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | a => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let str = b"def fib(x) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let expr = parser::parse(&res); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `jmp` is never read [INFO] [stdout] --> src/parser.rs:56:33 [INFO] [stdout] | [INFO] [stdout] 56 | ... jmp += jmp2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `jmp` is never read [INFO] [stdout] --> src/parser.rs:85:33 [INFO] [stdout] | [INFO] [stdout] 85 | ... jmp += jmp2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/parser.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | a => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Prototype` [INFO] [stdout] --> src/parser.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | Prototype(Prototype), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Prototype` [INFO] [stdout] --> src/parser.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | Prototype(Prototype), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.09s [INFO] running `Command { std: "docker" "inspect" "9cb65b191db33f4f6d2761e18153f3807300b67cc00bc1f4230fa9ac8cc0643d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cb65b191db33f4f6d2761e18153f3807300b67cc00bc1f4230fa9ac8cc0643d", kill_on_drop: false }` [INFO] [stdout] 9cb65b191db33f4f6d2761e18153f3807300b67cc00bc1f4230fa9ac8cc0643d